Aeroelasticity Support for Perlan 2 Glider€¦ · h Developed dynamic finite element model (FEM)...
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OVERVIEW The Perlan Project’s engineless sailplane aircraſt, the Perlan 2, is designed to glide on air currents to 90,000 feet, at the edge of space, to study Earth’s climate. Due to the flexibility of the light composite aircraſt, flutter in these conditions can pose significant risk, which makes ground vibration testing to characterize the flexibility critically important. In preparation for the upcoming Perlan 2 flight test program, ATA Engineering, Inc., (ATA) provided aeroelasticity support to help evaluate the stability of the aircraſt and ensure the safety and success of the flight test. This Perlan 2 project is an example of how ATA uses a combination of test and analysis to support our customers. TASKS PERFORMED & KEY OUTCOMES h Developed dynamic finite element model (FEM) from customer’s CAD models using Femap and NX Nastran. Measured all significant aircraſt masses during assembly to verify FEM. h Planned test using pretest analysis to identify sensor locations and test configurations, and provided the test facility and aircraſt suspension system. h Conducted the ground vibration test (GVT) to determine aircraſt global modes and control surface modes, supplying all necessary data acquisition hardware. h Updated FEM using GVT results and ATA’s Attune correlation soſtware, resulting in a test- verified FEM including stiffness perturbation analysis h Developed aerodynamic panel model from customer’s CAD models. h Performed aeroelastic stability (flutter) analysis with aerodynamic model and test-verified FEM to evaluate aircraſt stability. Aeroelasticity Support for Perlan 2 Glider Case Study Perlan 2 GVT at ATA headquarters FEM dynamic analysis © ATA Engineering, Inc. 2019 Image Credit: Jamie Darcy | Airbus www.ata-e.com ata-engineering @ataengineering [email protected] 858.480.2000 San Diego Corporate Headquarters Bay Area Denver Huntsville Washington, D.C. Los Angeles Albuquerque
Transcript of Aeroelasticity Support for Perlan 2 Glider€¦ · h Developed dynamic finite element model (FEM)...
OVERVIEW
The Perlan Project’s engineless sailplane aircraft, the Perlan 2, is designed to glide on air
currents to 90,000 feet, at the edge of space, to study Earth’s climate. Due to the flexibility of
the light composite aircraft, flutter in these conditions can pose significant risk, which makes
ground vibration testing to characterize the flexibility critically important. In preparation for
the upcoming Perlan 2 flight test program, ATA Engineering, Inc., (ATA) provided aeroelasticity
support to help evaluate the stability of the aircraft and ensure the safety and success of
the flight test. This Perlan 2 project is an example of how ATA uses a combination of test and
analysis to support our customers.
TASKS PERFORMED & KEY OUTCOMES
h Developed dynamic finite element model (FEM) from customer’s CAD models using Femap
and NX Nastran. Measured all significant aircraft masses during assembly to verify FEM.
h Planned test using pretest analysis to identify sensor locations and test configurations, and
provided the test facility and aircraft suspension system.
h Conducted the ground vibration test (GVT) to determine aircraft global modes and control
surface modes, supplying all necessary data acquisition hardware.
h Updated FEM using GVT results and ATA’s Attune correlation software, resulting in a test-
verified FEM including stiffness perturbation analysis
h Developed aerodynamic panel model from customer’s CAD models.
h Performed aeroelastic stability (flutter) analysis with aerodynamic model and test-verified
FEM to evaluate aircraft stability.
Aeroelasticity Support for Perlan 2 Glider
Case Study
Perlan 2 GVT at ATA headquarters
FEM dynamic analysis
© ATA Engineering, Inc. 2019
Image Credit: Jamie Darcy | Airbus
www.ata-e.com
ata-engineering
@ataengineering
858.480.2000
San DiegoCorporate Headquarters Bay Area Denver Huntsville Washington, D.C.Los AngelesAlbuquerque
